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Finding the Fourth Proportional to 437,752.17, 656,648.37 and 134,124.57

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Solution

The fourth proportional to 437,752.17, 656,648.37 and 134,124.57 is: 201,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,752.17 : 656,648.37 = 134,124.57 : x
  2. Step 2: Convert to fraction form
    437,752.17/656,648.37 = 134,124.57/x
  3. Step 3: Cross multiply
    437,752.17x = 656,648.37 × 134,124.57
  4. Step 4: Simplify right side
    437,752.17x = 88,072,680,267.45
  5. Step 5: Solve for x
    x = 88,072,680,267.45/437,752.17
  6. Step 6: Final answer
    x = 201,193.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.